Jurnal Pertambangan
biayalpenggalianldan pengangkutan batubara ke ROM Stockpile. Tujuan penelitian ini yaitu mengetahui capaian produksi alat gali ... Realization coal productionat PT X in JanuariMei 2019 is not reach ton targeted s with an achievement of only ton. As a result of the non achievement of production, realization of acceptance contrsctor was not reached and .